[Posted at 2:51 p.m.] A woman has died as a result of Wednesday's building collapse in Philadelphia, two sources close to the investigation told CNN's Don Lemon.

No death was mentioned at the news conference that wrapped up near the site minutes ago.

[Posted at 2:43 p.m.] Fourteen people have been rescued from the site, 13 of whom have been hospitalized, officials told reporters moments ago.

Mayor Michael Nutter said that a search-and-rescue operation continues.

"Keep in mind we did not know, and we do not know, how many people were actually in the thrift store this morning when the wall collapsed this morning," and that's why the search continues, Nutter said.

[Posted at 2:16 p.m.] A Salvation Army official had this to say about the collapse that damaged the Salvation Army store:

"At this time, we are gathering information about the details of the building collapse at 22nd and Market Street in Philadelphia today. Our No. 1 concern is for the safety of our customers and the employees who were involved," Donald Lance, divisional Leader of the Salvation Army's Eastern Pennsylvania and Delaware Division, told CNN's Natalie Apsell.

"We are coordinating with the police and fire Department, the Office of Emergency Management and local authorities," Lance continued. "Also, we have sent our own disaster response team to the site to serve survivors and first responders. We ask for the public to pray for those involved."

[Posted at 2:13 p.m.] Mike Adam, who lives across the street from the site, says he took this picture from his apartment:

Adam told CNN's Brooke Baldwin that he and his fiancee were in their apartment when they heard sirens. He looked out a window and saw people running. Looking out a different window, he saw smoke and rubble.

"A block over, there's a fire department, so they were on the scene almost immediately," Adam said.

[Posted at 2:01 p.m.] While firefighters have been digging through the rubble, people from a nearby market have "graciously supplied (them) and officers with fresh apples and bananas," CNN iReporter Josh Rozell says.

[Posted at 1:30 p.m.] Philadelphia firefighters have just made another rescue, the city's mayor said.

A person who was buried in the rubble "for about two hours" was rescued by city fire personnel, Philadelphia Mayor Michael Nutter told CNN's Don Lemon minutes ago.

That person has been taken to a hospital with minor injuries, and it bring to 13 the number of people taken to hospitals, Nutter said.

Nutter said he didn't know how many other people might be trapped, noting that officials don't yet know how many people were inside the store.

[Posted at 1:21 p.m.] To give you an idea of where this happened: The site is in a heavily traveled area of downtown Philadelphia near the Mutter Museum, a popular tourist destination that houses medical oddities.

The museum was closed Wednesday due to the collapse, it said on Twitter.

Meanwhile, Senators John McCain and Lindsey Graham congratulated law enforcement on the arrest of the Boston Marathon bombing suspect and noted that the incident should be prosecuted as a terror case. The "perpetrators of these acts were not common criminals attempting to profit from a criminal enterprise, but terrorist trying to injure, maim, and kill innocent Americans," the senators said.

"Under the Law of War we can hold this suspect as a potential enemy combatant not entitled to Miranda warnings or the appointment of counsel."

[Updated 10:11 p.m. ET] "We've closed an important chapter in this tragedy," President Barack Obama said at the conclusion of the Boston Marathon bombing manhunt on Friday night.

But how did law enforcement find suspect Tsarnaev? A Watertown resident saw blood on a boat in his neighbor's backyard, Davis said.

"He opened the tarp and saw a man covered in blood," he said. The man retreated and alerted law enforcement.

Despite being bloody, the suspect exchanged gunfire with authorities from his hiding place, Davis said. Tsarnaev did not have explosives on him at the time of capture, according to Davis.

[Updated 9:41 p.m. ET] Massachusetts is celebrating the collaborative efforts of law enforcement, the public and the media in leading to the capture of the suspect in the Boston Marathon bombings.

"We're so grateful to bring justice and closure to this case," Massachusetts State Police spokesman Col. Timothy Alben said at a news conference in Watertown less than an hour after the capture of suspect Dzhokar Tsarnaev. "We're exhausted, folks, but we have a victory here tonight."

Gov. Patrick Deval praised local, state and federal agencies "who brought their A-game" along with members of the public "for their patience and participation in the case."

[Updated 8:59 p.m. ET] Law enforcement officials erupted in cheers in Watertown, Masssachusetts, on Friday night moments before Boston police tweeted that the remaining suspect in the Boston Marathon bombings was in custody.

CAPTURED!!! The hunt is over. The search is done. The terror is over. And justice has won. Suspect in custody.

[Updated 8:44 p.m. ET] Law enforcement officials repeatedly appealed for surrender by a person believed to be Dzhokar Tsarnaev, the suspect in this week's Boston Marathon bombings, who was inside a boat in the backyard of a house in Watertown, Massachusetts, according to CNN staff at the scene. Among other things, they said, "We know you're in there" and "Come out with your hands up."

[Updated 8:39 p.m. ET] The FBI took two males and a female into custody for questioning Friday evening at New Bedford, Massachusetts, residence believe to have been connected to Boston Marathon bombings suspect Dzhokhar Tsarnaev, New Bedford Police Lt. Robert Richard said.

[Updated 8:32 p.m. ET] FBI agents interviewed Tamerlan Tsarnaev - the 26-year-old Boston Marathon bombing suspect killed following a gunfight with authorities overnight - in 2011 at the request of foreign government, an FBI official said Friday. The other government - who the official would not name - suspected that Tsarnaev may have ties to extremist groups. The FBI investigated, including interviewing Tsarnaev, but the matter was closed after no derogatory information was found, according to the official.

[Updated 8:13 p.m. ET] A person believed to be Dzhokar Tsarnaev, the suspect in this week's Boston Marathon bombings, is cornered on a boat in a yard in Watertown, Massachusetts, law enforcement officials said.

[Updated 8:05 p.m. ET] Authorities believe the person they've engaged in Watertown, Massachusetts, is Dzhokar Tsarnaev, a suspect in this week's deadly Boston Marathon bombings, a law enforcement official told CNN. CNN crews reported hearing multiple explosions near the site where authorities have engaged the suspect.

[Updated 7:46 p.m. ET] As many as a dozen people were being moved away from the scene of intense police activity in Watertown, Massachusetts, including a young girl being carried in a police officer's arms, CNN's David Fitzpatrick reported.

[Updated 7:34 p.m. ET] Authorities have engaged the possible remaining suspect in the Boston Marathon bombings in Watertown, Massachusetts, a senior federal law enforcement official said.

[Updated 7:14 p.m. ET] The Boston Police Department tweeted that there are "police operations" on Franklin Street in Watertown, Massachusetts. CNN crew at the scene heard gunshots and saw several law enforcement vehicles race toward the scene.

Heavy police presence in area of Franklin St in Watertown. Residents remain inside.

[Updated 6:26 p.m. ET] A "stay indoors" order has been lifted in Boston while the manhunt continues for the remaining suspect in Monday's Boston Marathon bombings.

Authorities believe that 19-year-old Dzhokar Tsarnaev is likely still in Massachusetts, state police spokesman Col. Timothy Alben said Friday.

"He's a very violent and dangerous person," Alben said in a news conference Friday. "We do not have an apprehension of our suspect this afternoon, but we will have one."

Massachusetts state troopers will remain in Watertown, where the suspects engaged in an overnight gunfight with police, for at least three more days, Alben said.

Some 200 rounds" of gunfire were exchanged during the firefight, Gov. Deval Patrick added.

The area's public transit system, known as the T, has reopened Friday night after being shut down most of the day, Patrick said.

"We can return to living our lives."

[Updated 5:54 p.m. ET] Fifteen patients wounded in this week's marathon bombings remained hospitalized Friday at Boston Medical Center, the hospital said. One of those patients is in critical condition, 10 are in serious condition, and four are in fair condition. The Boston hospital - one of several in the area treating the wounded - received 23 patients tied to Monday's blasts overall.

Eleven patients wounded in this week's Boston Marathon bombings remain at Boston's Brigham and Women's Hospital - down from the more than 30 patients total the hospital has treated, and not including those treated at its affiliate Faulkner Hospital - the hospital said Friday. One of those patients is in critical condition. Several other Boston-area hospitals are still treating injured patients as well.

[Updated 5:12 p.m. ET] Anzor Tsarnaev - father of Boston bombings suspects Dzhokar Tsarnaev and Tamerlan Tsarnaev - who earlier told Russian national TV network Zvezda that he believed his sons were "framed" tells CNN from Dagestan that he was questioned Friday by Russian security services and then released.

[Updated 4:16 p.m. ET] Connecticut State Police have issued a new vehicle lookout alert in connection with the probe in neighboring Massachusetts: They say Boston-area authorities are looking for a 1995 gray Honda Odyssey with Massachusetts registration 93NN73. A suspect in the Boston Marathon bombing might be in that vehicle, police said.

Connecticut police have issued a few vehicle alerts today, saying they've been monitoring information coming from investigators across the state line.

"Someone framed them," Anzor Tsarnaev said during the interview Friday in Russia's North Caucasus republic of Dagestan. "I don't know exactly who did it. But someone did. And being cowards, they shot the boy (Tamerlan) dead. There are cops like this."

Anzor Tsarnaev said that whoever was behind the Boston Marathon bombings "is a bastard."

He said he was trying to get in touch with his family members in Canada and the United States, but he can't get through by phone.

"Those are my kids, you understand? Maybe he will be shot dead, too," he told Zvezda. "They will say, well, he had weapons. Kids with weapons? ... They should arrest him maybe and bring him, but alive. Alive. And justice should decide who's right and who's guilty."

Noting that he had lived in the United States, Zvezda asked him whether he ever had problems with the U.S. justice system.

'No, never. But I just didn't face it ever. So can I know about the justice there? I didn't have any problems," he said.

[Updated 3:53 p.m. ET] Boston police say the second vehicle they were looking for today, a vehicle with Massachusetts plate 116 GC7, has been found.

[Updated 3:43 p.m. ET] "Investigators are recovering a significant amount of homemade explosives" from last night's Watertown scenes, and ‚Äúthere is no proof yet of accomplices," Massachusetts State Police Spokesman David Procopio said, according to CNN's Susan Candiotti.

Police had said that the suspects were throwing explosives at them during last night's pursuit in the Watertown area.

[Updated 3:27 p.m. ET] Amtrak service between Boston and New York has been suspended, police say:

#CommunityAlert: AMTRAK service between Boston and New York suspended pending further notice.

[Updated 2:30 p.m. ET] Two students at the University of Massachusetts-Dartmouth, where Dzhokar Tsarnaev was registered, told CNN that they saw him on campus this week, after Monday's Boston Marathon bombing, CNN's Chris Lawrence reported.

Also Friday, a helicopter with a number of law enforcement personnel landed on campus, Lawrence reported.

The school ordered an evacuation of its campus on Friday. The school is located 65 miles south of Cambridge, just west of New Bedford.

[Updated 2:04 p.m. ET] Connecticut State Police have issued an alert for another vehicle, saying a wanted suspect in the Boston Marathon attack now could be in a 1999 green Honda Civic with Massachusetts license plate number 116 GC7. The CSP cited Boston authorities.

Connecticut police issued a similar alert earlier today for a different vehicle; that vehicle eventually was found unoccupied Friday in the Boston area, Boston police said.

[Updated 1:51 p.m. ET] More details on the Tsarnaev brothers:

Dzhokhar Tsarnaev, 19, the Boston Marathon attack suspect now at large, came to the United States on July 1, 2002, at age 8 on a tourist visa, a federal source said. While here, he sought asylum and became a citizen on September 11, 2012.

His older brother Tamerlan Tsarnaev, who was killed in a shootout with police overnight, came to the United States four years after his brother, on Sept. 6, 2006, at the age of 20, the source said. He came legally but was not naturalized. He was a green card holder and in the country lawfully.

The violence began late Thursday with the robbery of a convenience store, according to Timothy Alben, superintendent of the Massachusetts state police. Soon after, in Cambridge, across the Charles River from Boston, Massachusetts Institute of Technology police officer Sean Collier was fatally shot while he sat in his car, the Suffolk County District Attorney's Office said in a statement.

Police believe the Boston Marathon bombing suspects were responsible for the shooting.

The two suspects, according to authorities, then hijacked a vehicle at gunpoint in Cambridge, telling the driver that they are the marathon bombers, a law enforcement source told CNN's Joe Johns. At some point, apparently at a gas station, the source said, the driver escaped.

Police, who were tracking the vehicle using its built-in GPS system, picked up the chase in Watertown. The pursuit went into a residential neighborhood, with the suspects throwing explosives at the police. A firefight erupted and ultimately one suspect - later identified as Tamerlan Tsarnaev - got out of the car. Police shot him, and his brother ran over him as he drove away, according to the source.

Earlier, there had been reports that Dzhokar Tsarnaev escaped on foot instead of by vehicle.

A source briefed on the investigation said Tamerlan Tsarnaev was wearing explosives and an explosive trigger. He died later at Beth Israel Hospital.

Richard H. Donohue Jr., 33, a three-year veteran of the transit system police force, was shot and wounded in the incident and taken to a hospital, a transit police spokesman said Friday. The officer's condition was not immediately known.

[Updated 12:45 p.m. ET] Police are continuing to run down new leads and go door to door in Watertown in the Boston Marathon terror attack investigation, said Timothy Alben, superintendent of the Massachusetts state police. He told reporters that law enforcement will conduct a controlled blast later in Cambridge, an indication that police found suspected explosives.

[Updated 12:44 p.m. ET] Massachusetts Gov. Deval Patrick says his request for people in the Boston area to stay indoors remains in effect for now. "We know what an inconvenience it is, in Watertown and Cambridge in particular ... but it‚Äôs been enormously helpful ‚Ä¶ to law enforcement.‚ÄĚ

[Updated 12:30 p.m. ET] The Kyrgyz government said Friday that the two Boston Marathon suspects moved from Kyrgyzstan 12 years ago to the Russian region of Dagestan, from where the Tsarnaev family emigrated to the United States.

"Given that the suspects left the Republic at the ages of 8 and 15, the State Committee for National Security of Kyrgyzstan considers it inappropriate to link them to Kyrgyzstan," it said.

[Updated 12:25 p.m. ET] Dzhokar Tsarnaev, 19, was registered at the University of Massachusetts-Dartmouth, which ordered its campus evacuated on Friday. The school is located 65 miles south of Cambridge, just west of New Bedford.

"UMass Dartmouth has learned that a person being sought in connection with the Boston Marathon bombing has been identified as a student registered at UMass Dartmouth," the school said in a news release. "The campus is closed. Individuals on campus should shelter in place unless instructed otherwise."

The tweets included one at 1:43 a.m. Wednesday that said, "I'm a stress free kind of guy."

On Monday at 8:04 p.m. - hours after the bombings - he tweeted a lyric from a song that rapper Jay-Z has sampled: "Ain't no love in the heart of the city, stay safe people."

On Tuesday shortly after midnight he tweeted, "There are people that know the truth but stay silent & there are people that speak the truth but we don't hear them cuz they're the minority."

[Updated 11:55 a.m. ET] The uncle of the Tsarnaev brothers told reporters outside his home in Montgomery County, Maryland, this morning that his family is "ashamed" to be related to the suspects.

Ruslan Tsarni said the 19-year-old suspect still on the run "has put a shame on our family, a shame on the entire ethnicity." Tsarni urged his nephew to turn himself in.

He said anyone capable of committing such a crime are "losers."

[Updated 11:20 a.m. ET] U.S. Secretary of State John Kerry praised law enforcement in their hunt for the Boston Marathon attack suspects.

"I think it is fair to say this entire week we have been in pretty direct confrontation with evil," he said. "In the past few days we have seen the best and we have seen the worst of human behavior and it is the best that all of us really want to focus on."

[Updated 10:55 a.m. ET] Taxi service in Boston has been restored, police said. The service had been suspended earlier today because of the manhunt in the Boston bombings case.

[Updated 10:50 a.m. ET] Another flurry of police activity is happening in Watertown, the Massachusetts community where police say one suspect was killed and another was being sought.

Police are asking reporters to move back - and stay down - as a number of other officers are drawing guns in a certain area, CNN's Deborah Feyerick reports from Watertown.

[Updated 10:41 a.m. ET] Connecticut State Police say that a vehicle that might be connected to a suspect in the Boston Marathon attack has been recovered in the Boston area. The vehicle is a gray Honda CR-V with Massachusetts plate 316 ES9.

Connecticut police earlier had issued a lookout notice for the vehicle.

This is what Boston police had to say about the vehicle earlier, on Twitter: "Police seeking MA Plate: 316-ES9, ‚Äô99 Honda CRV, Color – Gray. Possible suspect car. Do not approach."

[Updated 10:29 a.m. ET] A high school friend of Dzhokar Tsarnaev, the suspect who Boston police say still is at large, is recalling what he remembers about him.

Eric Mercado told CNN that he went to Cambridge Rindge & Latin, a public high school, with Dzhokar Tsarnaev, 19. Both graduated, he said.

"We hung out; we partied; we were good high school friends," Machado told CNN. "We're all, like, in shock. We don't really understand. There were no telltale signs of any kind of malicious behavior from Dzhokar. It's all coming as a shock, really."

[Updated 10:24 a.m. ET] More background on the brothers that several sources tell CNN are the suspects involved in Thursday night's shootings and police chase and Monday's Boston Marathon bombings:

The Tsarnaev brothers were Kyrgyz passport holders, and used those passports when applying for green cards in the United States, an official in the central Asian republic of Kyrgyzstan said, according to CNN's Ivan Watson.

This doesn't mean they were born in Kyrgyzstan or that their family were Kyrgyz natives. Many Caucasus refugees received passports or refugee status in surrounding countries.

[Updated 10:14 a.m. ET] Some background on the brothers that several sources tell CNN are the suspects involved in Thursday night's shootings and police chase and Monday's Boston Marathon bombings:

Dzhokar Tsarnaev, 19, the Boston Marathon attack suspect now at large, came to the United States as a tourist in the early 2000s and asked for asylum while he was here, a federal source said. He was naturalized last year. Tamerlan, the 26-year-old brother who was killed overnight, came "a few years later" and was a green-card holder, not a naturalized citizen, the source said, according to CNN's Mike Ahlers.

[Updated 10:02 a.m. ET] We now have the name of he Massachusetts Institute of Technology police officer who was killed Thursday night - he was Sean Collier, 26, of Somerville, Massachusetts, according to the Middlesex district attorney‚Äôs office.

[Updated 9:48 a.m. ET] An aquatic director at Harvard University told CNN that he hired Dzhokar Tsarnaev as a lifeguard more than two years ago, but hasn't seen him for more than a year.

"He seemed like a very quiet, unassuming young man," the aquatic director, George McMasters, told CNN Friday morning. "He showed up on time, watched the water, rotated from position to position fine, got along well with students and swimmers there at the pool."

[Updated 9:31 a.m. ET] The Boston bombings suspect who was killed in a confrontation with police overnight in the Boston area was wearing explosives and an explosive trigger when his body was recovered, a source briefed on the investigation says, according to CNN's Deborah Feyerick.

Several sources tell CNN that the dead suspect has been identified as Tamerlan Tsarnaev, 26, and the one still being sought in Watertown is Dzhokar Tsarnaev, 19.

Police have publicly said that the dead suspect is the man that the FBI previously identified as "Suspect No. 1" in the Boston Marathon bombings. They also have said publicly that the suspect that they chased and last saw in Watertown overnight is the man that the FBI said was "Suspect No. 2"; Boston police also have said that they're looking for Dzhokar Tsarnaev.

[Updated 9:16 a.m. ET] The brothers suspected in the Boston Marathon attack haven't been connected to the Russian region of Chechnya for many years, the Chechen president's office said, according to the Interfax news agency.

The Tsarnaev family years ago moved out of Chechnya to another Russian region, lived some time in Kazakhstan, and then went to the United States where the family members received a residence permit, the office said.

"Therefore, the individuals concerned did not live as adults in Chechnya," said Alvi Kamirov, press secretary for Chechnya's president.

[Updated 9:01 a.m. ET] Boston police have now named a suspect that authorities have been seeking this morning. "Suspect identified as 19 year-old Dzhokar Tsarnaev of Cambridge. Suspect considered armed & dangerous," Boston police said on Twitter.

Dzhokar Tsarnaev is a Boston Marathon bombings suspect that police are looking for in Watertown following a chase overnight and shootings overnight, several sources told CNN earlier Friday.

Tamerlan Tsarnaev, 26, was the suspect who was killed during a police confrontation overnight, those same sources told CNN.

Police have said that the man identified by the FBI as "Suspect No. 1" in the Boston Marathon bombings was killed in the police confrontation. The man identified by the FBI as "Suspect No. 2" is on the loose, last seen in Watertown, police said.

[Updated 8:52 a.m. ET] A recap of the developments that began Thursday night:

The violence began late Thursday with the robbery of a convenience store, not long after the FBI released images of two suspects in the Boston Marathon bombings, Massachusetts State Police spokesman Col. Timothy Alben said.

Soon after, in Cambridge, across the Charles River from Boston, a Massachusetts Institute of Technology police officer was fatally shot while he sat in his car, the Suffolk County District Attorney's Office said in statement. Police believe the bombing suspects were responsible for the shooting.

The same two suspects, according to authorities, then hijacked a car at gunpoint in Cambridge. They released the driver a half-hour later at a gas station. As police picked up the chase, the car's occupants threw explosives out the windows and shot at officers, according to the district attorney's office.

Officers fired back, wounding one of the men, possibly the person identified by the FBI as "Suspect No. 1." The man died at Beth Israel Hospital. He had bullet wounds and injuries from an explosion, according to officials. The second man apparently escaped.

Richard H. Donohue Jr., 33, a three-year veteran of the transit system police force, was shot and wounded in the incident and taken to a hospital, a transit police spokesman said Friday. The officer's condition was not immediately known.

[Correction at 1:36 p.m. ET] The 8:52 a.m. entry above initially said that the second man apparently escaped on foot. "On foot" has been removed, as that part no longer appears to be the case.

[Updated 8:44 a.m. ET] Police activity in Watertown - where authorities believe they last saw "Suspect No. 2" during a chase overnight - seems to be picking up, CNN's Deborah Feyerick reports from the community. A helicopter is hovering over a building, and reporters are being asked to move back from where they were.

[Updated 8:30 a.m. ET] The FAA has ordered a 3.5-nautical-mile temporary flight restriction over Boston "to provide a safe environment for law enforcement activities." The restriction is from surface to 3,000 feet, according to the FAA website.

[Updated 8:21 a.m. ET] ‚ÄúAll taxi service in the city of Boston has been suspended pending further notice,‚ÄĚ Boston Police said on its official Twitter account.

This meshes with authorities' request that all of Boston and many of its suburbs stay indoors - with doors locked - until further notice. All public transportation in Boston already has been suspended, schools are closed, and Amtrak service from Boston to Providence, Rhode Island, also has been suspended.

[Updated 8:16 a.m. ET] The Boston-area transit police officer who was shot and wounded overnight is Richard H. Donohue Jr., 33, a three-year veteran of the force, a transit police spokesman said Friday. Donohue was shot during the manhunt for the Boston Marathon bombing suspects.

[Updated 8:10 a.m. ET] The suspects involved in the Boston bombings are brothers originally from the Russian Caucasus and had moved to Kazakhstan at a young age before coming to the United States several years ago, according to a source briefed on the investigation, CNN's Deborah Feyerick reported.

The older of the two brothers had the first name Tamerlan, had studied at Bunker Hill Community College, and wanted to become a engineer, the source said. He then took a year off to train as a boxer, according to the source.

The source said that a posting on a social media site in his name included the comments: "I don't have a single American friend. I don't understand them."

The source added that it should not be assumed that either brother was radicalized because of their Chechen origins.

[Updated 8:07 a.m. ET] "All of Boston" should shelter in place, Massachusetts Gov. Deval Patrick has just told reporters. The same applies to suburbs of Watertown, Newton, Belmont, Cambridge and Waltham, he said.

By shelter in place, Deval said he meant people should stay indoors, keep doors locked and not answer doors for anyone except for police.

Patrick also has confirmed to reporters that one Boston bombings suspect is dead and the other is on the loose.

He added:

- An Massachusetts Bay Transportation Authority officer was "seriously wounded" and is in surgery right now.- An MIT security officer was killed.

[Updated 7:59 a.m. ET] A recap of what authorities are telling Boston-area residents to do: Police ordered businesses in the suburb of Watertown and nearby communities to stay closed and told residents to stay inside and answer the door for no one but authorities.

The subway and Amtrak train systems have been shut down. Every Boston area school is closed.

[Updated 7:39 a.m. ET] The suspects in the Boston Marathon terror attack were brothers, a terrorism expert briefed on the investigation said, according to CNN's Deborah Feyerick.

[Updated 7:34 a.m. ET] One of two suspects in the Boston Marathon bombing - the man police were looking for Friday morning - has a name that is common among people from the North Caucasus, a source with knowledge of the investigation said Friday. That region includes the breakaway Russian republic of Chechnya.

Earlier Friday, The Associated Press reported that the two suspects in the Boston Marathon bombings are brothers believed to be from an area near Chechnya.

[Updated 7:32 a.m. ET] Police in the Boston-area community of Cambridge say the public should "clear area of Norfolk Street in Cambridge." "Ongoing investigation. Potentially dangerous," Cambridge police said on Twitter.

[Updated 7:29 a.m. ET] Boston police have given a heads-up to the public: They'll be conducting a "controlled explosion" - basically neutralizing a suspicious object - near the area of Commonwealth Avenue and Charlesgate.

[Updated 7:28 a.m. ET] Recapping what a doctor at Boston's Beth Israel told reporters this morning about the death of the man police believe is "Suspect No. 1" in the Boston bombings: He had bullet wounds and injuries from an explosion, the doctor said.

The doctor said he didn't know the cause of death, and he didn't know what the explosion was. The suspect was pronounced dead after unsuccessful attempts to reanimate him, a hospital spokesman said.

Police said the man believed to be "Suspect No. 1" was wounded in Watertown near Boston following a pursuit. That pursuit came about after the fatal shooting of a Massachusetts Institute of Technology police officer, authorities said.

[Updated 7:03 a.m. ET] The Associated Press has reported that the two suspects in the Boston Marathon bombings are brothers believed to be from an area near Chechnya.

[Updated 6:48 a.m. ET] More transportation options in an out of Boston are being shut down as police look for "suspect No. 2" in the Boston Marathon bombings. Amtrak train service between Providence, Rhode Island, and Boston has been suspended, Amtrak said Friday.

The FBI on Thursday released this image of what it called "suspect No. 2" in Monday's Boston Marathon bombings. Authorities said Friday that they're looking for him in the Boston suburb of Watertown.

[Updated 6:36 a.m. ET] A number of universities in the Boston area have been closed because of the manhunt for a suspect in the Boston Marathon terror attack, school officials said. They include Harvard University, the Massachusetts Institute of Technology, Boston University, Emerson College, and Boston College.

[Updated 6:23 a.m. ET] A person who was shot and killed in the Boston Marathon terror attack manhunt is believed to have had explosives on his body, a law enforcement official with knowledge of the investigation said Friday.

[Updated 6:19 a.m. ET] Here's some more details about the public-transportation shutdown in Boston: All Massachusetts Bay Transportation Authority service is suspended at the request of the police, Joe Pesaturo, the authority's public information officer, said Friday. This includes bus, subway, commuter rail, and ferry routes in the Boston area.

This comes as police say they're continuing to hunt down one of the suspects in Monday's Boston Marathon terror attack.

[Updated 5:59 a.m. ET] "Harvard University is closed due to public safety concerns. Please continue to watch this page for updates," the university announced on its website.

[Updated 5:43 a.m. ET]: Mass transit in Boston has been suspended at the request of the police, says Joe Pesaturo, spokesman for the Massachusetts Bay Transportation Authority.

[Updated 5:37 a.m. ET]: Boston Police, via its official Twitter account, says businesses near 480 Arsenal Street in Watertown, Massachusetts, are closed until further notice. Employees are also instructed to stay home.

[Updated 5:20 a.m. ET]: MIT cancels Friday's classes, according to a letter from Israel Ruiz, the school's executive vice president and treasurer, and school Chancellor Eric Grimson.

"MIT suffered a tragedy last night: an MIT Police officer was shot and killed on our campus in the line of duty," says the letter, addressed to the MIT community. "While the circumstances around the officer's death remain the subject of an active investigation, what is certain is that the officer gave his life to defend the peace of our campus. His sacrifice will never be forgotten by the Institute. We are thinking now of his family, and our hearts are heavy. In consultation with faculty chair Sam Allen, we have decided to cancel classes today (Friday). All employees are encouraged to use their best judgment about whether they are prepared to come in to work today: any absence today will be considered excused."

[Updated 4:45 a.m. ET]: One of the suspects believed to have planted bombs at the Boston Marathon is dead after a shootout with police, a police spokesman said.

The FBI on Thursday released this image of who it called "suspect No. 1" the Boston Marathon bombings. On Friday, police said he was killed in a Boston-area shootout with police.

[Updated 4:21 a.m. ET]: A suspect on the loose in Watertown, Massachusetts, matches the description of Suspect 2 - a man pictured wearing a white cap - wanted in connection with the bombings at the Boston Marathon on Monday, police said early Friday.

[Updated 3:54 a.m. ET]: Massachusetts State Police, via Twitter: "Police will be going door by door, street by street, in and around Watertown. Police will be clearly identified. It is a fluid situation."

[Updated at 3:48 a.m. ET]: Massachusetts State Police, on its official Twitter feed, warns Watertown residents to stay in their homes and to not answer the door "unless it is an identified police officer." "If any concerns about someone at door, call 911 immediately. Repeat–Do not answer door, stay away from windows, keep doors locked," the state police says in another tweet.

[Updated 2:40 a.m. ET]: Massachusetts State Police spokesperson Dave Procopio said that they believe multiple possible explosive devices were used against police tonight during this incident at Watertown. It was unclear if the incident, which followed a police chase of a stolen vehicle, was related to the shooting on the MIT campus or any other incident in the Boston area.

[Updated 2:31 a.m. ET]: FBI spokesman Martin Feely tells CNN's Susan Candiotti: "We are engaged with our partners trying to determine if there is a connection." CNN's Drew Griffin, who is on the scene in Watertown, Massachusetts, said FBI agents are on the scene.

[Updated 2:21 a.m. ET]: MIT releases statement on shooting death of campus police officer:¬†"MIT is heartbroken by the news that an MIT Police officer was shot and killed in the line of duty on Thursday night on campus, near Building 32 (the Stata Center). Our thoughts are now with the family." http://bit.ly/15lcg2r

[Updated 2:19 a.m. ET]: Boston Police Department's official Twitter feed says "there is an active incident ongoing in Watertown. Residents in that area are advised to remain in their homes. More details when available." FULL POST

[Updated at 11:52 a.m. ET] South Korean investigators now believe computer outages at South Korean banks and broadcasters Wednesday were caused by cyberattackers, though they're still not sure who those attackers were, South Korean officials and the semiofficial Yonhap News Agency reported.

[Posted at 2:42 a.m. ET] South Korean police said Wednesday they are investigating a computer outage that is affecting servers at three leading television broadcasters and a large bank.

Customers of Shinhan Bank are unable to log into the lender's website at the moment, the company said in an online statement.

And the broadcaster YTN reported that 500 of its computers had been disabled by the outage. Police didn't immediately provide a reason for the server failure.

More prosecution witnesses are expected to testify Thursday in a marathon 11-hour session in the rape trial of two Steubenville, Ohio, football players accused of sexually assaulting a 16-year-old girl.

The case against the teenage defendants caught national attention, in part because some of the alleged abuse was captured in cellphone images circulated in text messages and on the Internet. Critics have accused community leaders of trying to paper over rampant misconduct by players of the highly regarded Steubenville High School football team and have suggested that other students took part in the assaults or failed to do enough stop them.

The trial, which started Wednesday, is moving quickly to accommodate the schedule of visiting Judge Thomas Lipps, who is presiding over the trial without a jury. A verdict is expected by Sunday.

[Updated at 10:05 a.m.] The Midwest's second blizzard in as many weeks has contributed to the deaths of at least three people, officials say.

Gobs of wet, heavy snow plopped to the ground early Tuesday in the Kansas City area along the Kansas and Missouri border in what the National Weather Service called a "crippling, historic blizzard." The storm could bring up to 18 inches of snow to parts of Kansas, Missouri and Illinois a day after plastering Oklahoma and Texas.

One person died in Woodward, Oklahoma, when a roof collapsed, the city's mayor said. The other two deaths came in Kansas on Monday in separate weather-related accidents on Interstate 70, the Kansas National Guard said.

The attention that Brent Musburger gave to the girlfriend of Alabama's quarterback during last night's championship college football game apparently made ESPN a little uncomfortable.

ESPN on Tuesday afternoon apologized for the play-by-play man's gushing about Katherine Webb's beauty as the network showed her in the stands at the game Monday night.

"We always try to capture interesting storylines and the relationship between an Auburn grad who is Miss Alabama and the current Alabama quarterback certainly met that test. However, we apologize that the commentary in this instance went too far and Brent understands that," ESPN said.

Emergency phone calls¬†from¬†last July's Colorado movie theater shooting in a court hearing - played by prosecutors in a court hearing this morning - reveal some of the horror and confusion from that night.

Because the movie was still playing during the shooting and, in at least one call, the gunman was still stalking the theater, the calls are difficult to make out. In one, there's too much sound to make out what the caller was saying, but the gunshots were¬†unmistakable: At least 30 gunshots in 27 seconds.

In another, a 13-year-old girl called to say her cousins had been shot. A 911 operator tried to lead the sobbing girl through performing CPR on one who was still breathing.

Tuesday's proceeding was a preliminary hearing for James Holmes, a 25-year-old former neuroscience graduate student accused of killing 12 people at a midnight showing of "The Dark Knight Rises" in Aurora, Colorado.

Images and messages posted to social media that appear to depict the sexual abuse of a girl in Steubenville, Ohio, have been taken out of context, the attorney for one of the teenagers charged in the incident said Friday.

"One of the main concerns we have is that this matter has been, by special interest groups all over the world, tried in the court of public opinion," said Walter Madison, the attorney for defendant Ma'lik Richmond.

Richmond and another 16-year-old member of the town's highly regarded football team, Trent Mays, are charged with raping the girl at a series of back-to-school parties in August.

The case gained national attention after The New York Times reported on it in December and an activist hacker group this week posted a previously unpublicized video of teenagers in the small Ohio River valley town cracking jokes about the case.

An agreement to avert the¬†"fiscal cliff" of automatic tax increases and spending cuts appears to be "within sight," President Barack Obama said Monday.

The deal would prevent a tax increase for the overwhelming majority of Americans, extend the child tax and tuition credits for families as well as those for clean-energy companies and extend unemployment benefits for two million people, Obama said.

"There are still issues left to resolve, but we are hopeful Congress can get it done," Obama said.

Nevertheless, he did not sound hopeful a deal was imminent, saying he expected to remain at the White House for New Year's Eve while lawmakers used up every last second available to them.

"I think we're going to have a pretty good Christmas," Cindy Hill joked Friday, just minutes after a Missouri lottery official announced that Hill and her family had won half of the record $587.5 million Powerball jackpot.

"We're still stunned by what's happened. It's surreal," Hill said. "Every once in a while you look at each other and say, 'Did we really win that money?'" said the Dearborn, Missouri, resident.

Seated at a table at Dearborn's North Platte R-1 High School, Hill, her husband, Mark, their three grown sons, Jason, Cody and Jarod, and their adopted 6-year-old daughter, Jaiden, joyfully answered questions from the media.

Dozens of police officers - backed by trucks firing tear gas - advanced across Simon Boulevard Square, arresting many young people, some of whom were beaten by officers. Protesters continued to throw stones at police.

The latest clashes come after huge numbers of protesters swarmed into the square Tuesday night into Wednesday, hoping to revive a democratic groundswell that swept the country's former strongman from power nearly two years ago.

Observers suggested the crowds were the biggest seen since former strongman Hosni Mubarak was forced out early last year following days of street protests.

Egyptians swarmed Cairo's Tahrir Square on Tuesday, seeking to revive a democratic groundswell that swept the country's former strongman from power nearly two years ago and demand that the man they chose to replace him respect their wishes.

Protesters waved flags and banners, chanting slogans and calling on President Mohamed Morsy to roll back his decree on presidential powers or resign.

"I now know that the Brotherhood does not work for the nation but for themselves only," protester Abu Eita said, according to state-run Nile TV. "Egypt is not all Brotherhood."

The National Football League's regular referees will return to the field Thursday night after reaching a tentative labor deal that kicked replacement officials to the curb, ending a major source of frustration and embarrassment for fans, players and the league.

In place of the replacement referees, most of whom had officiated no more than a handful of pro games, the league put together a veteran crew with a combined 70 seasons of NFL experience to handle Thursday night's game between the Cleveland Browns and the Baltimore Ravens, the first since league owners lifted the lockout Wednesday night.

"Never thought I would be excited for the refs to come back to work but it's about time," Cleveland Browns receiver Josh Cribbs tweeted Thursday. "It was definitely necessary!"

The eight-year deal - the longest ever for officials, according to the NFL - gives the union referees a pay raise and keeps their pension program in place for five years.

It suspends a lockout that began before the league's preseason, leading to a series of gaffes that climaxed in a furor over a botched call that allowed the Seattle Seahawks to walk away with a victory in Monday night's nationally televised game. The league acknowledged Tuesday that the Green Bay Packers should have won, but allowed the result of the game to stand.

Union members still must ratify the deal, but the league has lifted the lockout to allow crews to handle games, pending that vote.

While they have not called a game since last season, the league's veteran crews will be ready to go, said retired official Mason "Red" Cashion.

"These guys have been working every week, really since May, to get ready for the season, through conference calls, through video, through meetings of their own," Cashion said. "And that's something that the officials have done simply because they have enough pride in what they do that they wanted to be ready. And they are ready."

The eight-year deal includes details about officials' pensions and retirement benefits, and adds a pay bump from $149,000 a year in 2011 to $173,000 in 2013. The pay will rise to $205,000 by 2019.

The agreement will also allow the NFL to hire some officials on a year-round basis and hire additional referees so they can be trained.

"This agreement supports long-term reforms that will make officiating better. The teams, players and fans want and deserve both consistency and quality in officiating," NFL Commissioner Roger Goodell said.

The return of the league's regular referees won't put an end to controversial calls, said retired NFL player Tiki Barber. But it will raise the respect level between coaches and players and officials, Barber said.

"There's still going to be arguing with referees," he said. "They're still going to make bad calls. But now we're going to know that it's coming from a base of knowledge. These guys know what they're talking about and they're going to have an argument for why they do what they do on the field."

The deal came almost exactly 48 hours after the controversial ending of the Monday night game, which the Seahawks won 14-12 after replacement officials gave possession of a disputed ball, and a touchdown, to Seattle receiver Golden Tate.

Even the leader of the free world had time Tuesday to comment about the National Football League after Monday night‚Äôs controversial Seahawks-Packers game.

Replacement referees, standing in for regular officials who are locked in a labor dispute with the NFL, controversially ruled that a Seahawks receiver caught a game-winning touchdown pass as time expired. The referees also missed what the NFL says was a penalty against that same receiver - a penalty that, had it been called, would have rendered the catch controversy moot and given the win to the Packers.

Airwaves and social media were buzzing with reaction Monday and Tuesday from NFL players, fans, and yes, President Barack Obama, who says he wants to see the regular referees get back to work.

NFL fans on both sides of the aisle hope the refs' lockout is settled soon. -bo

Discussion of the call virtually took over Twitter in the United States, with the game generating more than 1 million tweets, the social media company said Tuesday. Already disappointed in missed and botched calls since replacements began working in the preseason, many fans and players called for the NFL to quickly settle the labor dispute.

Replacement referees missed a penalty that would have rendered moot a controversy over whether a Seattle Seahawks receiver caught a game-winning touchdown pass a moment later, the National Football League said Tuesday.

The Green Bay Packers would have won the game had offensive pass interference been called against Seahawks receiver Golden Tate, but the missed penalty wasn't reviewable.¬†So the¬†officials' controversial on-field ruling that Tate subsequently scored a touchdown by having joint possession of the ball with a Packers defender¬†stands.

The touchdown - which over the last day has become a symbol of player and fan frustration over the NFL's replacement referees - gave Seattle a 14-12 win. "The result of the game is final,"¬†the NFL said in a news release Tuesday.

The NFL also said that it supports a referee's decision, after he reviewed the play Monday night, that no indisputable evidence existed to overturn the on-field ruling that Tate scored.

Commentators on ESPN,¬†which showed the "Monday Night Football" game, questioned whether Tate really caught the ball, penalty or not. The play has sparked¬†a full-open revolt by fans and players over replacement referees, who are standing in for officials that the NFL has locked out during a labor dispute.

"Fine me and use the money to pay the regular refs," Packers guard T.J. Lang tweeted minutes after the game ended, one in a series of profanity-laced tweets accusing the referees of taking the game from his team.

Here's how the play unfolded: With seconds remaining and Seattle down 12-7, Seahawks quarterback Russell Wilson threw a deep pass into the end zone. Tate and Packers safety M.D. Jennings went up for the ball, and referees eventually ruled - after officials gave competing signals - that both possessed the ball simultaneously. Under NFL rules, simultaneous possession goes to the offense, so the officials ruled the play a touchdown for Tate with time expired.

Replays, however, showed two potential problems: First, Tate appears to shove Packers defender Sam Shields in the back while the ball is in the air, a move that normally would draw an offensive pass interference penalty. Second, the footage appears to show Jennings first having both arms wrapped around the ball while Tate had one arm on it, so simultaneous possession appears questionable. The ball eventually was pulled tight to Jennings' chest.

The referees reviewed the play, and let it stand, giving Seattle the win.

The NFL essentially said Tuesday that the Packers should have won because Tate should have been called for offensive pass interference, "which would have ended the game" with the Packers ahead.

However, a missed offensive pass interference call is not reviewable, the NFL said, so nothing could be done about that part of the play when it was reviewed by referee Wayne Elliott.

As for the ruling on the catch, the NFL said: "Eliott determined that no indisputable visual evidence existed to overturn the call on the field, and as a result, the on-field ruling of touchdown stood."

"The NFL Officiating Department reviewed the video today and supports the decision not to overturn the on-field ruling following the instant replay review," the NFL said Tuesday.

Discussion of the call virtually took over Twitter in the United States and sparked rising calls for the NFL to quickly settle its labor dispute with officials.

Packers coach Mike McCarthy declined to specifically address the call in his post-game news conference but said later that he had "never seen anything like that in all my years in football."

Augusta's membership, which includes titans of industry and finance, has been male-only since its opening in 1932. The policy, which had become a lightning rod issue, had been upheld as recent as ¬†April when¬†Billy Payne, chairman of Augusta National Golf Club and the Masters Tournament, said the issue was a private matter.

Monday's announcement comes as a stark about-face in the club's policy.

"This is a joyous occasion as we enthusiastically welcome Secretary Condoleezza Rice and Darla Moore as members of Augusta National Golf Club," Billy Payne, chairman of Augusta National Golf Club and the Masters Tournament, said in a statement.¬†"We are fortunate to consider many qualified candidates for membership at Augusta National. Consideration with regard to any candidate is deliberate, held in strict confidence and always takes place over an extended period of time. The process for Condoleezza and Darla was no different."

Rice served under President George W. Bush as the first female national security adviser and the first African-American woman to hold the post of secretary of state. She also served on President George H.W. Bush's National Security Council staff and was a special assistant to the director of the Joint Chiefs of Staff in 1986.

"I have long admired the important role Augusta National has played in the traditions¬†and¬†history of golf," Rice said in a statement. "I also have an immense respect for the Masters tournament and its commitment to grow the game of golf, particularly with youth, here in the United States and throughout the world."

Moore is the vice president of Rainwater Inc., the investment firm founded by her husband, Richard Rainwater. Fortune magazine once named her among the top 50 women in business, and the University of South Carolina's business school is named in her honor.

"I am honored to have accepted an invitation to join Augusta National Golf Club.¬†Augusta National has always captured my imagination, and is one of the most¬†magically beautiful places anywhere in the world, as everyone gets to see during¬†the Masters each April," Moore said in a statement. "I am fortunate to have many friends who are members at¬†Augusta National, so to be asked to join them as a member represents a very happy¬†and important occasion in my life. Above all, Augusta National and the Masters ¬†Tournament have always stood for excellence, and that is what is so important to¬†me. I am extremely grateful for this privilege."

Payne noted the significance of admitting the first women to the club.

"These accomplished women share our passion for the game of golf and both are well known and respected by our membership. It will be a proud moment when we present Condoleezza and Darla their Green Jackets when the Club opens this fall," he said. "This is a significant and positive time in our Club‚Äôs history and, on behalf of our membership, I wanted to take this opportunity to welcome them and all of our new members into the Augusta National family."

Actor Andy Griffith, the man who played folksy Sheriff Andy Taylor in the fictional town of Mayberry, has died at the age of 86, Sheriff J.D. "Doug" Doughtie of Dare County, North Carolina, said Tuesday.

Griffith died at about 7 a.m. at his home on Roanoke Island, the sheriff said in a statement. The statement did not provide a cause of death.

Best known for his role on "The Andy Griffith Show," the actor also starred as a murder-solving Southern attorney in the television series "Matlock" during the 1980s and 1990s. He was also known for his roles in movies and on the stage, as a producer and as a Grammy Award-winning gospel singer.

Ron Howard, who played Taylor's son, Opie Taylor, on "The Andy Griffith Show," said he is "forever grateful" to the actor.

"His pursuit of excellence and the joy he took in creating served generations & shaped my life," Howard said on Twitter.

An American student is in critical condition after¬†undergoing two operations¬†after chimpanzees tore apart¬†his body in front of tourists at a South African animal sanctuary, a hospital spokeswoman told CNN on Tuesday.

Andrew Oberle,¬†a primatology¬†student from University of Texas at San Antonio,¬†was being treated at a Johannesburg hospital after two chimps attacked him Thursday, spokeswoman Robyn Baard said.

Oberle¬†had been at the Jane Goodall Institute's Chimp Eden¬†since May, according to Eugene Cussons, the¬†facility's managing director. Oberle was at the¬†sanctuary, near Nelspruit, South Africa, for the second time after training and volunteering there in 2010. ¬†His training included¬†an explanation¬†about "no-go" areas - spaces¬†for animals where people are not supposed to go.

Witnesses to the attack said that Oberle went into a no-go area because he seemed to want¬†to remove a stone close to one of the¬†animals that could have been picked up and thrown around, Cussons told CNN.

Oberle crossed one barrier and approached a second one, which is a main fence¬†with 24 strands of electrical wiring, Cussons said.¬†Two male chimps grabbed Oberle and tried to drag him under the fence, but were not able to yank him into their enclosure.

Cussons said he estimates the attack lasted 15 minutes.

At some point, people tried to stop the chimps, and Cussons shot two rounds in the air to see if that might get them to retreat, he said. One of the chimps then charged at Cussons, he said. Cussons shot that chimp in the abdomen, he told CNN, and it¬†seemed to shriek as a kind of signal to other chimps¬†that there was a more powerful threat present. The chimps then backed off, he said.

Oberle was rescued and transported for medical care.

None of the 13¬†tourists - most of them from local areas -¬†were harmed, officials said.

The¬†chimp that was shot had an operation at the Johannesburg¬†zoo to repair damage to his small and large intestines.

Hospital spokeswoman Baard declined to discuss the nature of Oberle's wounds. She said the student's¬†parents had requested privacy, adding that they are "quite traumatized."

The sanctuary, which is featured in the Animal Planet program "Escape to Chimp Eden," remains closed and its staff is receiving counseling, executive director David Oosthuizen said.

There are no plans right now to euthanize the chimps involved in the attack, said Dries Pienaar, who is leading the investigation into the incident. He¬†works for a parks agency that makes sure zoos, sanctuaries and breeding projects comply with the law.¬†Pienaar told CNN that his¬†preliminary findings are that human error is to blame, but he cautioned that his investigation is not complete and that he wants to interview Oberle. He hasn't spoken to all of the tourists yet, either.

Chimp Eden was established as a home for rescued chimpanzees. Many of the primates have suffered "horrible injuries and abuse from humans," according to the sanctuary.

Dave Salmoni, an expert in¬†large predators for the television channel Animal Planet, said abused and captive chimpanzees can be particularly dangerous, likening the chimps to troubled prison inmates.

"Now this is a very nice prison, but it's a prison nonetheless," he said Monday. "And that's why you can see a lot of acting out behavior, and in some cases, with chimpanzees, they act out just because they can."

Oberle¬†was passionate about¬†studying chimpanzees,¬†his friend¬†Anthony Reimherr told CNN affiliate KXAN-TV. He said it was "intriguing" to listen to¬†Oberle when he spoke¬†about the animals.

"It's just something that he loved to do, and I think it's something that he'll always continue to do," Reimherr said.

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